In this post I will describe how to use a raspberry pi to give feedback according to specific daily weather. And yes, feedback just means LEDs 🙂
Convex Hull, one algorithm implementation
I talked about convex hulls some time ago in an alpha shape post.
The convex hull is probably one of the most basic computational geometry algorithms, and because of that it is present in almost, if not all, geometry/cad/gis libraries and software packages. In this post you will find an explanation of one of the existing algorithms to compute it, an implementation with C++, plus a set of scripts to generate various point clouds and the corresponding hulls.
Objective
- Describe one of the possible convex hull algorithms
- Implement the algorithm in C++
- Provide various scripts to generate random point clouds and compute its convex hulls
I won’t lie to you, this post might be boooring ;-).
The Locked Room
I’m a big fan of Sjöwall and Wahlöö since a friend of mine lend me “Roseanna” (I’m reading those book series in spanish, following the RBA editions.)
I think it never happened with any book. I took a flight from Barcelona to Amsterdam. I started it in El prat, and while I was in the train between Schiphol and Enschede I finished it. Read it in less than a day!
The 8th book of the Martin Beck series, and as most of the series an amazing book to read.
Filed under books
C Mask Creation & intel sal
It’s been a while since I posted something, but recently I did not work in anything at all, just playing some Zelda and reading some books (and yes, I will post about the books someday).
Right to the matter at hand. It has been noted to me that my C skills are rusty (god damn it!), so I decided to play a little with it implementing a small dissassembler for ARMv7 binaries (just ARM instructions, no thumb or anything else). And indeed, I found myself in some trouble.
more
Now, In ARM, Cambridge
After a fantastic year working with GIS at Enschede (The Netherlands), I landed in Cambridge UK, to join the compiler tools group at ARM
That means some things for me 🙂 and also some things for this blog.
Probably I won’t be updating it with the same frequency (at the moment, I think it’s been a couple of months since the last post). What a pity right?
See you in the future!
Filed under Life
DBPedia World
Following my DBpedia Europe Countries post… DBpedia World! Bigger and lovely!.
Maps
Click for full zoomed version!
DBpedia 3.7 World points
DBpedia Live World Points as of july 2012
Castells 